Anvil



FIG. 1 is a perspective view of an anvil showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an elevational view of one side thereof;

FIG. 4 is an elevational view of the other side thereof;

FIG. 5 is an elevational view of one end thereof; and

FIG. 6 is an elevational view of the opposite end thereof. 

The ornamental design for an anvil, as shown. 